* {
    box-sizing: border-box;
    
  }
   
  /* 设置搜索框 */
  form.example input[type=text] {
    padding: 8px;
    font-size: 17px;
    border: 1px solid grey;
    width: 25%;
    background: #f1f1f1;
    position:absolute;
    right:70px;
    top:160px;
    border-radius:10px;
  }
   
  /* 设置提交按钮 */
  form.example button {
    width: 5%;
    padding: 8px;
    background: #2196F3;
    color: white;
    font-size: 17px;
    border: 1px solid grey;
    border-left: none; /* 防止双边框 */
    cursor: pointer;
    position:absolute;
    right:70px;
    top:160px;
    border-radius:0px 10px 10px 0px;
  }
   
  form.example button:hover {
    background: #0b7dda;
  }
   
  /* 清除浮动 */
  form.example::after {
    content: "";
    clear: both;
    display: table;
  }